Universal Licensing System
WSIU681
T-Mobile MW LLC
License details
| ULS identifier | 5154220 |
|---|
| Call sign | WSIU681 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2025-06-23 |
|---|
| Expiration | 2035-06-23 |
|---|
| Frequency range | 23175 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | San Ramon, CONTRA COSTA, CA |
|---|
| Coordinates | 37.7573333, -121.8991667 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:25 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23075.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
| 1 | 1 | FXO | 23175.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0D7W |
| 1 | 1 | 23075.00000000 | | 50M0G7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0D7W |
| 1 | 1 | 23175.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Crosby Rd, San Ramon, CONTRA COSTA, CA | 37.75733333, -121.89916667 | 210.000 m | TANK | 1.800 m structure / 2.800 m overall | |
| 2 | R | | 37.74905556, -121.92336111 | 204.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW VHLP1-23C | | S | 35.6000 | 246.7000 | | |
| 1 | 2 | R | ANDREW VHLP1-23C | | | 35.6000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-12 | WSIU681 | LIASS |
| 2025-06-23 | WSIU681 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5154220 | 2026-08-02 02:46:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIU681 | ULS 5154220 | 2026-08-02 02:46:25 |
| Status | A | ULS 5154220 | 2026-08-02 02:46:25 |
| Service | CF | ULS 5154220 | 2026-08-02 02:46:25 |
| Grant Date | 2025-06-23 | ULS 5154220 | 2026-08-02 02:46:25 |
| Expiration Date | 2035-06-23 | ULS 5154220 | 2026-08-02 02:46:25 |